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The avian
kidneys are divided into units called lobules and as the two avian kidneys of
birds do their work or function, most of these birds excrete nitrogenous waste
known as uric acid from the blood, which reduces water loss but requires more
metabolic energy to produce nitrogenous waste.
Answer :
Fossilization can occur in many ways. Most fossils are preserved in one of five processes : preserved remains, permineralization, molds and casts, replacement, and compression.
TRUE, it can regulate the amount of water leaving it.
